US5409088A - Shock absorber - Google Patents
Shock absorber Download PDFInfo
- Publication number
- US5409088A US5409088A US07/865,360 US86536092A US5409088A US 5409088 A US5409088 A US 5409088A US 86536092 A US86536092 A US 86536092A US 5409088 A US5409088 A US 5409088A
- Authority
- US
- United States
- Prior art keywords
- assembly
- piston
- sub
- set forth
- poppet valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3207—Constructional features
- F16F9/3214—Constructional features of pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3271—Assembly or repair
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/44—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction
- F16F9/46—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction allowing control from a distance, i.e. location of means for control input being remote from site of valves, e.g. on damper external wall
- F16F9/465—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction allowing control from a distance, i.e. location of means for control input being remote from site of valves, e.g. on damper external wall using servo control, the servo pressure being created by the flow of damping fluid, e.g. controlling pressure in a chamber downstream of a pilot passage
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/44—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction
- F16F9/46—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction allowing control from a distance, i.e. location of means for control input being remote from site of valves, e.g. on damper external wall
- F16F9/466—Throttling control, i.e. regulation of flow passage geometry
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/50—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics
- F16F9/512—Means responsive to load action, i.e. static load on the damper or dynamic fluid pressure changes in the damper, e.g. due to changes in velocity
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7837—Direct response valves [i.e., check valve type]
- Y10T137/7904—Reciprocating valves
- Y10T137/7922—Spring biased
- Y10T137/7929—Spring coaxial with valve
- Y10T137/7932—Valve stem extends through fixed spring abutment
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Fluid-Damping Devices (AREA)
Abstract
Description
π(r.sub.2.sup.2 -r.sub.1.sup.2).sup.2 =2πr.sub.1.sup.2
Claims (27)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10645891A JPH04312226A (en) | 1991-04-12 | 1991-04-12 | Attenuator |
JP10645691A JPH04312224A (en) | 1991-04-12 | 1991-04-12 | Attenuator |
JP3-106456 | 1991-04-12 | ||
JP3-106458 | 1991-04-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
US5409088A true US5409088A (en) | 1995-04-25 |
Family
ID=26446565
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US07/865,360 Expired - Lifetime US5409088A (en) | 1991-04-12 | 1992-04-08 | Shock absorber |
Country Status (1)
Country | Link |
---|---|
US (1) | US5409088A (en) |
Cited By (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5560454A (en) * | 1995-06-08 | 1996-10-01 | General Motors Corporation | Piston with bi directional passive disk valve and extension-openable regulating valve |
US5690195A (en) * | 1996-07-29 | 1997-11-25 | General Motors Corporation | Alternating state pressure regulation valved damper |
US5706919A (en) * | 1996-07-29 | 1998-01-13 | General Motors Corporation | Alternating state pressure regulation valved damper |
US5901820A (en) * | 1996-01-25 | 1999-05-11 | Tokico Ltd. | Hydraulic shock absorber |
US6003644A (en) * | 1995-07-11 | 1999-12-21 | Yamaha Hatsudoki Kabushiki Kaisha | Damping force variable hydraulic shock absorber |
US6019201A (en) * | 1996-07-30 | 2000-02-01 | Board Of Regents Of The University And Community College System Of Nevada | Magneto-rheological fluid damper |
US6085877A (en) * | 1998-06-26 | 2000-07-11 | General Motors Corporation | Bi-Directional Multiple State Suspension Damper |
US6273224B1 (en) * | 1997-08-12 | 2001-08-14 | Hr Textron, Inc. | Shock absorber mounted electromagnetically operated damper valve |
US6343676B1 (en) * | 2000-01-24 | 2002-02-05 | Hr Textron, Inc. | Shock absorber mounted real time damper valve |
US6390254B1 (en) * | 1997-07-10 | 2002-05-21 | Honeywell International Inc. | Constant volume damper |
US6471018B1 (en) | 1998-11-20 | 2002-10-29 | Board Of Regents Of The University And Community College System On Behalf Of The University Of Nevada-Reno, The University Of Reno | Magneto-rheological fluid device |
US6668986B2 (en) * | 2002-01-08 | 2003-12-30 | Delphi Technologies, Inc. | Active hydraulic fluid vehicular suspension damper |
US20060054434A1 (en) * | 2004-09-15 | 2006-03-16 | Yamaha Hatsudoki Kabushiki Kaisha | Hydraulic damping force control unit, hydraulic shock absorber, front fork for vehicle, and hydraulic rotary damper |
US20080078634A1 (en) * | 2006-09-30 | 2008-04-03 | Zf Friedrichshafen Ag | Adjustable damping valve with a fail-safe damping force characteristic |
US20090020382A1 (en) * | 2007-07-19 | 2009-01-22 | Van Weelden Curtis L | Piston With An Integral Electrically Operated Adjustment Valve For A Hydraulic Vibration Damper |
US20090146351A1 (en) * | 2007-12-10 | 2009-06-11 | Enidine, Inc. | Load compensating hydraulic rate control |
US20130341141A1 (en) * | 2012-06-21 | 2013-12-26 | Steffen Heyn | Adjustable damping valve arrangement |
CN103511543A (en) * | 2012-06-25 | 2014-01-15 | Zf腓特烈斯哈芬股份公司 | Adjustable damping valve arrangement |
CN104455173A (en) * | 2013-09-18 | 2015-03-25 | Zf腓特烈斯哈芬股份公司 | Adjustable Damping Valve Arrangement |
US20160069471A1 (en) * | 2013-04-16 | 2016-03-10 | öHLINS RACING AB | Valve arrangement |
US20180156299A1 (en) * | 2015-05-08 | 2018-06-07 | Thyssenkrupp Bilstein Gmbh | Controllable shock absorber |
US20190032743A1 (en) * | 2017-07-31 | 2019-01-31 | Aisin Seiki Kabushiki Kaisha | Damping force variable valve |
CN112196932A (en) * | 2020-09-25 | 2021-01-08 | 中国直升机设计研究所 | Throttle valve for buffer |
EP4092288A1 (en) * | 2021-05-21 | 2022-11-23 | Öhlins Racing AB | Coil assembly for an actively controlled damping valve assembly of a vehicle |
WO2022243451A1 (en) * | 2021-05-21 | 2022-11-24 | öHLINS RACING AB | Coil assembly for an actively controlled damping valve assembly of a vehicle |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4854429A (en) * | 1987-12-18 | 1989-08-08 | Casey Gary L | Variable rate shock absorber and system therefor |
EP0330634A2 (en) * | 1988-02-22 | 1989-08-30 | Öhlins Racing Ab | Shock absorber arrangement |
FR2637033A3 (en) * | 1988-09-23 | 1990-03-30 | Marchal Equip Auto | Damper with variable damping coefficient |
US4946009A (en) * | 1989-04-12 | 1990-08-07 | Applied Power, Inc. | Electromagnetic valve utilizing a permanent magnet |
US5064032A (en) * | 1989-04-20 | 1991-11-12 | Tokico Ltd. | Damping force adjusting hydraulic shock absorber |
US5078240A (en) * | 1989-07-21 | 1992-01-07 | Boge Ag | Adjustable vibration damper with valve body in piston having directional flow control |
-
1992
- 1992-04-08 US US07/865,360 patent/US5409088A/en not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4854429A (en) * | 1987-12-18 | 1989-08-08 | Casey Gary L | Variable rate shock absorber and system therefor |
EP0330634A2 (en) * | 1988-02-22 | 1989-08-30 | Öhlins Racing Ab | Shock absorber arrangement |
FR2637033A3 (en) * | 1988-09-23 | 1990-03-30 | Marchal Equip Auto | Damper with variable damping coefficient |
US4946009A (en) * | 1989-04-12 | 1990-08-07 | Applied Power, Inc. | Electromagnetic valve utilizing a permanent magnet |
US5064032A (en) * | 1989-04-20 | 1991-11-12 | Tokico Ltd. | Damping force adjusting hydraulic shock absorber |
US5078240A (en) * | 1989-07-21 | 1992-01-07 | Boge Ag | Adjustable vibration damper with valve body in piston having directional flow control |
Cited By (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5560454A (en) * | 1995-06-08 | 1996-10-01 | General Motors Corporation | Piston with bi directional passive disk valve and extension-openable regulating valve |
US6003644A (en) * | 1995-07-11 | 1999-12-21 | Yamaha Hatsudoki Kabushiki Kaisha | Damping force variable hydraulic shock absorber |
US5901820A (en) * | 1996-01-25 | 1999-05-11 | Tokico Ltd. | Hydraulic shock absorber |
US5690195A (en) * | 1996-07-29 | 1997-11-25 | General Motors Corporation | Alternating state pressure regulation valved damper |
US5706919A (en) * | 1996-07-29 | 1998-01-13 | General Motors Corporation | Alternating state pressure regulation valved damper |
US6019201A (en) * | 1996-07-30 | 2000-02-01 | Board Of Regents Of The University And Community College System Of Nevada | Magneto-rheological fluid damper |
US6390254B1 (en) * | 1997-07-10 | 2002-05-21 | Honeywell International Inc. | Constant volume damper |
US6273224B1 (en) * | 1997-08-12 | 2001-08-14 | Hr Textron, Inc. | Shock absorber mounted electromagnetically operated damper valve |
US6085877A (en) * | 1998-06-26 | 2000-07-11 | General Motors Corporation | Bi-Directional Multiple State Suspension Damper |
US6471018B1 (en) | 1998-11-20 | 2002-10-29 | Board Of Regents Of The University And Community College System On Behalf Of The University Of Nevada-Reno, The University Of Reno | Magneto-rheological fluid device |
US6343676B1 (en) * | 2000-01-24 | 2002-02-05 | Hr Textron, Inc. | Shock absorber mounted real time damper valve |
US6668986B2 (en) * | 2002-01-08 | 2003-12-30 | Delphi Technologies, Inc. | Active hydraulic fluid vehicular suspension damper |
US20060054434A1 (en) * | 2004-09-15 | 2006-03-16 | Yamaha Hatsudoki Kabushiki Kaisha | Hydraulic damping force control unit, hydraulic shock absorber, front fork for vehicle, and hydraulic rotary damper |
US7448479B2 (en) * | 2004-09-15 | 2008-11-11 | Yamaha Hatsudoki Kabushiki Kaisha | Hydraulic damping force control unit, hydraulic shock absorber, front fork for vehicle, and hydraulic rotary damper |
US20080078634A1 (en) * | 2006-09-30 | 2008-04-03 | Zf Friedrichshafen Ag | Adjustable damping valve with a fail-safe damping force characteristic |
US8181757B2 (en) * | 2006-09-30 | 2012-05-22 | Zf Friedrichshafen Ag | Adjustable damping valve with a fail-safe damping force characteristic |
US20090020382A1 (en) * | 2007-07-19 | 2009-01-22 | Van Weelden Curtis L | Piston With An Integral Electrically Operated Adjustment Valve For A Hydraulic Vibration Damper |
US7878311B2 (en) * | 2007-07-19 | 2011-02-01 | Husco Automotive Holdings, LLC | Piston with an integral electrically operated adjustment valve for a hydraulic vibration damper |
US20090146351A1 (en) * | 2007-12-10 | 2009-06-11 | Enidine, Inc. | Load compensating hydraulic rate control |
US7967116B2 (en) * | 2007-12-10 | 2011-06-28 | Enidine, Inc. | Load compensating hydraulic rate control |
US20130341141A1 (en) * | 2012-06-21 | 2013-12-26 | Steffen Heyn | Adjustable damping valve arrangement |
CN103511541A (en) * | 2012-06-21 | 2014-01-15 | Zf腓特烈斯哈芬股份公司 | Adjustable damping valve arrangement |
US8978844B2 (en) * | 2012-06-21 | 2015-03-17 | Zf Friedrichshafen Ag | Adjustable damping valve arrangement |
CN103511543A (en) * | 2012-06-25 | 2014-01-15 | Zf腓特烈斯哈芬股份公司 | Adjustable damping valve arrangement |
US20160069471A1 (en) * | 2013-04-16 | 2016-03-10 | öHLINS RACING AB | Valve arrangement |
US9777867B2 (en) * | 2013-04-16 | 2017-10-03 | Ohlins Racing Ab | Valve arrangement |
CN104455173A (en) * | 2013-09-18 | 2015-03-25 | Zf腓特烈斯哈芬股份公司 | Adjustable Damping Valve Arrangement |
US20180156299A1 (en) * | 2015-05-08 | 2018-06-07 | Thyssenkrupp Bilstein Gmbh | Controllable shock absorber |
US10634209B2 (en) * | 2015-05-08 | 2020-04-28 | Thyssenkrupp Bilstein Gmbh | Controllable shock absorber |
US20190032743A1 (en) * | 2017-07-31 | 2019-01-31 | Aisin Seiki Kabushiki Kaisha | Damping force variable valve |
CN112196932A (en) * | 2020-09-25 | 2021-01-08 | 中国直升机设计研究所 | Throttle valve for buffer |
CN112196932B (en) * | 2020-09-25 | 2022-04-22 | 中国直升机设计研究所 | Throttle valve for buffer |
EP4092288A1 (en) * | 2021-05-21 | 2022-11-23 | Öhlins Racing AB | Coil assembly for an actively controlled damping valve assembly of a vehicle |
WO2022243451A1 (en) * | 2021-05-21 | 2022-11-24 | öHLINS RACING AB | Coil assembly for an actively controlled damping valve assembly of a vehicle |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: OHLINS RACING AB A CORP. OF SWEDEN, SWEDEN Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:SONSTEROD, LARS;REEL/FRAME:006141/0288 Effective date: 19920504 Owner name: YAMAHA HATSUDOKI KABUSHIKI KAISHA, D/B/A YAMAHA MO Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:SONSTEROD, LARS;REEL/FRAME:006141/0288 Effective date: 19920504 |
|
FEPP | Fee payment procedure |
Free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
|
STCF | Information on status: patent grant |
Free format text: PATENTED CASE |
|
FPAY | Fee payment |
Year of fee payment: 4 |
|
FPAY | Fee payment |
Year of fee payment: 8 |
|
CC | Certificate of correction | ||
FPAY | Fee payment |
Year of fee payment: 12 |